1*05767d91SRobert Wu /* 2*05767d91SRobert Wu * Copyright 2019 The Android Open Source Project 3*05767d91SRobert Wu * 4*05767d91SRobert Wu * Licensed under the Apache License, Version 2.0 (the "License"); 5*05767d91SRobert Wu * you may not use this file except in compliance with the License. 6*05767d91SRobert Wu * You may obtain a copy of the License at 7*05767d91SRobert Wu * 8*05767d91SRobert Wu * http://www.apache.org/licenses/LICENSE-2.0 9*05767d91SRobert Wu * 10*05767d91SRobert Wu * Unless required by applicable law or agreed to in writing, software 11*05767d91SRobert Wu * distributed under the License is distributed on an "AS IS" BASIS, 12*05767d91SRobert Wu * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13*05767d91SRobert Wu * See the License for the specific language governing permissions and 14*05767d91SRobert Wu * limitations under the License. 15*05767d91SRobert Wu */ 16*05767d91SRobert Wu 17*05767d91SRobert Wu #ifndef RESAMPLER_INTEGER_RATIO_H 18*05767d91SRobert Wu #define RESAMPLER_INTEGER_RATIO_H 19*05767d91SRobert Wu 20*05767d91SRobert Wu #include <sys/types.h> 21*05767d91SRobert Wu 22*05767d91SRobert Wu #include "ResamplerDefinitions.h" 23*05767d91SRobert Wu 24*05767d91SRobert Wu namespace RESAMPLER_OUTER_NAMESPACE::resampler { 25*05767d91SRobert Wu 26*05767d91SRobert Wu /** 27*05767d91SRobert Wu * Represent the ratio of two integers. 28*05767d91SRobert Wu */ 29*05767d91SRobert Wu class IntegerRatio { 30*05767d91SRobert Wu public: IntegerRatio(int32_t numerator,int32_t denominator)31*05767d91SRobert Wu IntegerRatio(int32_t numerator, int32_t denominator) 32*05767d91SRobert Wu : mNumerator(numerator), mDenominator(denominator) {} 33*05767d91SRobert Wu 34*05767d91SRobert Wu /** 35*05767d91SRobert Wu * Reduce by removing common prime factors. 36*05767d91SRobert Wu */ 37*05767d91SRobert Wu void reduce(); 38*05767d91SRobert Wu getNumerator()39*05767d91SRobert Wu int32_t getNumerator() { 40*05767d91SRobert Wu return mNumerator; 41*05767d91SRobert Wu } 42*05767d91SRobert Wu getDenominator()43*05767d91SRobert Wu int32_t getDenominator() { 44*05767d91SRobert Wu return mDenominator; 45*05767d91SRobert Wu } 46*05767d91SRobert Wu 47*05767d91SRobert Wu private: 48*05767d91SRobert Wu int32_t mNumerator; 49*05767d91SRobert Wu int32_t mDenominator; 50*05767d91SRobert Wu }; 51*05767d91SRobert Wu 52*05767d91SRobert Wu } /* namespace RESAMPLER_OUTER_NAMESPACE::resampler */ 53*05767d91SRobert Wu 54*05767d91SRobert Wu #endif //RESAMPLER_INTEGER_RATIO_H 55